<?php
class Site {
    /* 成员变量 */
    var $url;
    var $title;
    
    /* 成员函数 */
    function setUrl($par){
        $this->url = $par;
    }
    
    function getUrl(){
        echo $this->url . '<br>';
    }
    
    function setTitle($par){
        $this->title = $par;
    }
    
    function getTitle(){
        echo $this->title . '<br>';
    }
    /* 构造函数 */
    function __construct( $par1, $par2 ) {
        $this->url = $par1;
        $this->title = $par2;
    }
    
    /* 析构函数 */
    function __destruct() {
        print "销毁 " . $this->name . "\n";
    }
}

$runoob = new Site;
$taobao = new Site;
$google = new Site;

// 调用成员函数，设置标题和URL
$runoob->setTitle( "菜鸟教程" );
$taobao->setTitle( "淘宝" );
$google->setTitle( "Google 搜索" );

$runoob->setUrl( 'www.runoob.com' );
$taobao->setUrl( 'www.taobao.com' );
$google->setUrl( 'www.google.com' );

// 调用成员函数，获取标题和URL
$runoob->getTitle();
$taobao->getTitle();
$google->getTitle();

$runoob->getUrl();
$taobao->getUrl();
$google->getUrl();

$baidu = new Site("baidu", "www.baidu.com");
?>